125500022 has 4 divisors (see below), whose sum is σ = 188250036. Its totient is φ = 62750010.

The previous prime is 125499989. The next prime is 125500061. The reversal of 125500022 is 220005521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220005521 = 2971 ⋅74051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31375004 + ... + 31375007.

It is an arithmetic number, because the mean of its divisors is an integer number (47062509).

Almost surely, 2^125500022 is an apocalyptic number.

125500022 is a deficient number, since it is larger than the sum of its proper divisors (62750014).

125500022 is an equidigital number, since it uses as much as digits as its factorization.

125500022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62750013.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 125500022 is about 11202.6792331121. The cubic root of 125500022 is about 500.6658090032.

Adding to 125500022 its reverse (220005521), we get a palindrome (345505543).

The spelling of 125500022 in words is "one hundred twenty-five million, five hundred thousand, twenty-two".